What is the Longest Bridge In Oklahoma State?

The longest bridge in Oklahoma is the Lake Texoma Bridges on the Oklahoma-Texas border. The total length of the bridge is 2.4 miles (3.9 km) and it carries Interstate 35 across Lake Texoma. The bridge is a series of three bridges, two of which are concrete and steel, and one of which is a floating pontoon bridge. The floating pontoon bridge is 1.4 miles (2.3 km) long and is the longest floating bridge in the world.